1. Date of download: 9/30/2017
Copyright © ASME. All rights reserved.
From: A Review of Refrigeration Methods in the Temperature Range 4–300 K
J. Thermal Sci. Eng. Appl. 2011;3(2): doi: /
Figure Legend:
Stirling cycle: (a) 1-2 isothermal compression at Ta, (b) 2-3 constant volume regenerative cooling, (c) 3-4 isothermal expansion at Ta, and (d) 4-1 constant volume regenerative heating

2. Date of download: 9/30/2017
Copyright © ASME. All rights reserved.
From: A Review of Refrigeration Methods in the Temperature Range 4–300 K
J. Thermal Sci. Eng. Appl. 2011;3(2): doi: /
Figure Legend:
Temperature chart: boiling point at atmospheric pressure

3. Date of download: 9/30/2017
Copyright © ASME. All rights reserved.
From: A Review of Refrigeration Methods in the Temperature Range 4–300 K
J. Thermal Sci. Eng. Appl. 2011;3(2): doi: /
Figure Legend:
Unit power of a constant temperature refrigeration cycle as a function of refrigeration temperature at various Carnot cycle efficiencies

4. Date of download: 9/30/2017
Copyright © ASME. All rights reserved.
From: A Review of Refrigeration Methods in the Temperature Range 4–300 K
J. Thermal Sci. Eng. Appl. 2011;3(2): doi: /
Figure Legend:
Classification of refrigeration methods based on the type of variation of pressure and flow rate in the cycle during steady state operation

5. Date of download: 9/30/2017
Copyright © ASME. All rights reserved.
From: A Review of Refrigeration Methods in the Temperature Range 4–300 K
J. Thermal Sci. Eng. Appl. 2011;3(2): doi: /
Figure Legend:
Thermo-acoustically driven orifice pulse tube refrigerator

6. Date of download: 9/30/2017
Copyright © ASME. All rights reserved.
From: A Review of Refrigeration Methods in the Temperature Range 4–300 K
J. Thermal Sci. Eng. Appl. 2011;3(2): doi: /
Figure Legend:
Two-stage pulse tube refrigerator

7. Date of download: 9/30/2017
Copyright © ASME. All rights reserved.
From: A Review of Refrigeration Methods in the Temperature Range 4–300 K
J. Thermal Sci. Eng. Appl. 2011;3(2): doi: /
Figure Legend:
(a) Vapor compression cycle, (b) T-s diagram, (c) P-H diagram, and (d) superimposition of Carnot refrigeration (continuous lines) and ideal vapor compression cycles (dashed lines)

8. Date of download: 9/30/2017
Copyright © ASME. All rights reserved.
From: A Review of Refrigeration Methods in the Temperature Range 4–300 K
J. Thermal Sci. Eng. Appl. 2011;3(2): doi: /
Figure Legend:
Ideal versus real vapor compression cycles

9. Date of download: 9/30/2017
Copyright © ASME. All rights reserved.
From: A Review of Refrigeration Methods in the Temperature Range 4–300 K
J. Thermal Sci. Eng. Appl. 2011;3(2): doi: /
Figure Legend:
Cascade system with two levels. In the upper sketch, the left-hand circuit is low temperature circuit

10. Date of download: 9/30/2017
Copyright © ASME. All rights reserved.
From: A Review of Refrigeration Methods in the Temperature Range 4–300 K
J. Thermal Sci. Eng. Appl. 2011;3(2): doi: /
Figure Legend:
Kleemenko cycle mixed gas refrigeration cycle for the liquefaction of natural gas

11. Date of download: 9/30/2017
Copyright © ASME. All rights reserved.
From: A Review of Refrigeration Methods in the Temperature Range 4–300 K
J. Thermal Sci. Eng. Appl. 2011;3(2): doi: /
Figure Legend:
Typical temperature profiles of the hot and cold fluid streams of the heat exchangers of a Kleemenko cycle natural gas liquefier operating with refrigerant mixtures